Advanced format ruling
Chain Disappearance
Card effect (current official text)When a monster(s) with 1000 or less ATK is Summoned: Banish that monster(s) with 1000 or less ATK, then your opponent banishes all cards with the same name as that card(s) from their hand and Deck.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.